Radiant Did you know we offer B12 injections right here in the clinic? Vitamin B12 injections are becoming more in demand as people become awar of the many benefits! Vitamin B12 Feeling worse after B12 Injection: Answering concerns. La Vie Med Spa Vitamin B 12 intramuscular injections are also used therapeutically to help restore energy and combat various symptoms related to such deficiencies. Vitamin B 12 is essential to the development of healthy blood cells, nerve B12 Shots at Home: How, Where & How Often to Inject Yourself AZ IV Medics